Answer:
The maximum number of text message John can send is 100
Step-by-step explanation:
Given as :
The phone bill of the John = $ 10 per month + $ 0.3 per text message
John want his bill amount to be less than $ 40
Let The maximum number of text message John can send = n
According to question
The total bill amount = The cost of phone plan + rate of text message
I.e $ 10 per month + $ 0.3 × maximum number of text message = $ 40
or, $ 0.3 × n = $ 40 - $ 10
Or, $ 0.3 × n = $ 30
∴ n = [tex]\frac{30}{0.3}[/tex]
I.e n = 100
So, The maximum number of text message John can send = n = 100
Hence The maximum number of text message John can send is 100 Answer
